Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Are available in size Stoneware sewers All of these 15 cm 10 cm 20 cm All of these 15 cm 10 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for Both A and B Maximum flow None of these Minimum flow Both A and B Maximum flow None of these Minimum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS